一切經音義 27.435

27.435

億姟（字林古來反數名也風俗通十千曰萬十萬曰億十億曰兆十兆曰京十京曰姟猶大數也古文作[鄉-郎+亥]奒二體）。

億姟 (Zilin fanqie [g- + l- = gāi], the name of a number; Fengsu tongyi says: "Ten thousand is a wàn; ten wàn is a yì; ten yì is a zhào; ten zhào is a jīng; ten jīng is a gāi"; it refers to a very large number; ancient script writes it with the forms [鄉-郎+亥] and 奒).